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$105+ Cheap flights from Key Largo, FL to Toronto (YTO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YTO
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Toronto are usually found in February or April, booked 89 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Key Largo to Toronto

Keep the following information in mind while searching for Key Largo to Toronto flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$238
(Kiwi.com)

One-way from

$105
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$358
From Key Largo to Toronto (YTO)
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One-way flight from Key Largo to Toronto (YTO)
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Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Key Largo to Toronto

Cheapest flights from Key Largo to Toronto
Explore the most affordable flight options available from Key Largo to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:00 amMIA - YYZ
1 stop15h 07mMultiple Airlines
dom. 10/269:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 9/15$238
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:00 amMIA - YYZ
1 stop15h 07mMultiple Airlines
vie. 10/319:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 9/14$240
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:20 amMIA - YYZ
1 stop14h 47mMultiple Airlines
sáb. 11/19:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 9/14$242
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:00 amMIA - YYZ
1 stop15h 07mMultiple Airlines
lun. 11/39:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 9/14$250
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/711:28 amMIA - YYZ
1 stop9h 39mMultiple Airlines
lun. 11/109:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 9/13$251
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:16 pmMIA - YYZ
1 stop26h 51mMultiple Airlines
jue. 10/305:15 pmYYZ - MIA
2 stops16h 56mMultiple Airlines
Deal found 9/14$265
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/262:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
dom. 11/29:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 9/14$271
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:00 amMIA - YYZ
1 stop15h 07mMultiple Airlines
mar. 10/142:50 pmYYZ - MIA
1 stop8h 20mMultiple Airlines
Deal found 9/15$273
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/272:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
lun. 11/39:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 9/14$277
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:00 amMIA - YYZ
1 stop15h 07mMultiple Airlines
vie. 10/247:15 amYYZ - MIA
1 stop9h 50mMultiple Airlines
Deal found 9/14$278
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2912:45 pmMIA - YTZ
1 stop7h 10mAir Canada
mié. 11/53:30 pmYTZ - MIA
1 stop6h 59mAir Canada
Deal found 9/14$281
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/99:49 amMIA - YTZ
1 stop22h 41mMultiple Airlines
mié. 10/152:00 pmYTZ - MIA
1 stop9h 10mMultiple Airlines
Deal found 9/15$310

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Key Largo to Toronto that are best for you.

Fly from

Key Largo

Fly to

Toronto

Route

Depart

Return

Price

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

vie. 10/17

9:45 pm-1:01 am

Nonstop3h 16m

Toronto Pearson Intl

dom. 10/26

8:00 am-11:25 am

Nonstop3h 25m

$273

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

mié. 10/8

9:49 am-4:45 pm

1 stop6h 56m

Toronto Island

mar. 10/14

9:45 am-6:07 pm

1 stop8h 22m

$312

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

sáb. 10/11

2:55 pm-6:18 pm

2 stops27h 23m

Toronto Island

mar. 10/14

2:00 pm-11:10 pm

1 stop9h 10m

$316

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

jue. 2/19

2:10 pm-5:30 pm

Nonstop3h 20m

Toronto Pearson Intl

lun. 2/23

9:40 am-1:09 pm

Nonstop3h 29m

$318

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

mié. 10/15

9:49 am-4:45 pm

1 stop6h 56m

Toronto Island

vie. 10/17

7:30 pm-6:04 pm

1 stop22h 34m

$323

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

vie. 10/3

6:59 pm-12:17 pm

2 stops17h 18m

Toronto Island

lun. 10/6

2:00 pm-11:10 pm

1 stop9h 10m

$323

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

jue. 10/23

9:49 am-4:45 pm

1 stop6h 56m

Toronto Island

jue. 10/30

7:00 am-5:10 pm

2 stops10h 10m

$324

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

jue. 10/9

9:49 am-4:45 pm

1 stop6h 56m

Toronto Island

mié. 10/15

7:00 am-6:07 pm

2 stops11h 07m

$324

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

jue. 10/30

8:00 am-2:55 pm

1 stop6h 55m

Toronto Island

mié. 11/5

3:30 pm-10:29 pm

1 stop6h 59m

$332

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

vie. 11/21

4:25 pm-7:45 pm

Nonstop3h 20m

Toronto Pearson Intl

dom. 11/23

2:00 pm-10:29 pm

1 stop8h 29m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 43 results
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Best time to book a flight from Key Largo to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Toronto

How far ahead should I book a flight from Key Largo to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Toronto. Price data was last updated on September 12, 2025.

The best time to book flights from Key Largo to Toronto is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Toronto?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Toronto (average of $243). Flying from Key Largo to Toronto in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to YTO?

Find hourly flight availability from Key Largo to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from Key Largo to Toronto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Key Largo to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Toronto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Toronto flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Toronto

Explore weekly flight availability from Key Largo to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 16, 2025.

The most flights from KE9 to YTO are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated septiembre 16, 2025.
Read reviews from past customers who have flown Porter Airlines, American Airlines, and WestJet from Key Largo to Toronto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
249 reviews
Porter Airlines
7.9
Good
363 reviews

Boarding

8.1

Crew

8.6

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Key Largo to Toronto?

    There are many flights that can get you from Key Largo to Toronto in 3h 16m. Fly via Air Canada, Porter Airlines, or United Airlines to get the fastest option. Key Largo and Toronto are separated by a distance of 1235 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Key Largo to Toronto?

    Consider Air Canada Rouge (87%), Brussels Airlines (79%) or British Airways (78%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Toronto.

  • What are the cheapest flights from Key Largo to Toronto?

    Looking for the cheapest flight from Key Largo to Toronto? While on average our users pay $455, our data indicates the cheapest price to be $107. The most popular route (Miami - Toronto Pearson Intl), is priced around $221.

  • Can I find deals for flights from Key Largo to Toronto that include hotel bookings?

    Yes. In addition to deals on Key Largo to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Toronto.

  • Can I find deals for business class flights from Key Largo to Toronto?

    Yes. Cheapflights offers flight deals from Key Largo to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Toronto?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Toronto (average of $243). Flying from Key Largo to Toronto in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 7 airlines flying from Key Largo to Toronto

Discover the top 7 airlines that operate flights from Key Largo to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapest$22Average$140FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$79Average$287FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$89Average$242FlexibilityNo cancel feeOn-time52%
WestJetCheapest$100Average$308FlexibilityNo cancel feeOn-time60%
DeltaCheapest$129Average$378FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$132Average$288FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$220Average$391FlexibilityNo cancel feeOn-time71%

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